• Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use 

      Liu, Ming; Jiang, Yu; Wedow, Robbee; Li, Yue; Brazel, David M.; Chen, Fang; Datta, Gargi; Davila-Velderrain, Jose; Mitchell, Amy; Skogholt, Anne Heidi; Sivertsen, Børge; Stordal, Eystein; Morken, Gunnar; Kallestad, Håvard; Heuch, Ingrid; Zwart, John-Anker; Fjukstad, Katrine Kveli; Pedersen, Linda Margareth; Johnsen, Marianne Bakke; Skrove, Marit Synnøve; Indredavik, Marit Sæbø; Drange, Ole Kristian; Bjerkeset, Ottar; Børte, Sigrid; Stensland, Synne; Choquet, Hélène; Docherty, Anna R.; Faul, Jessica D.; Foerster, Johanna R.; Fritsche, Lars; Gabrielsen, Maiken Elvestad; Gordon, Scott D.; Haessler, Jeffrey; Hottenga, Jouke-Jan; Huang, Hongyan; Jang, Seon-Kyeong; Jansen, Philip R.; Ling, Yueh; Mägi, Reedik; Matoba, Nana; McMahon, George; Mulas, Antonella; Orrú, Valeria; Palviainen, Teemu; Pandit, Anita; Reginsson, Gunnar W.; Smith, Jennifer A.; Taylor, Amy E.; Turman, Constance; Willemsen, Gonneke; Young, Hannah; Young, Kendra A.; Zajac, Gregory J.M.; Zhao, Wei; Zhou, Wei; Björnsdóttir, Gyda Thora; Boardman, Jason D.; Boehnke, Michael; Boomsma, Dorret I.; Chen, Chu; Davies, Gareth E.; Eaton, Charles B.; Winsvold, Bendik K S; Hveem, Kristian; Vrieze, Scott (Journal article; Peer reviewed, 2019)
      Tobacco and alcohol use are leading causes of mortality that influence risk for many complex diseases and disorders1. They are heritable2,3 and etiologically related4,5 behaviors that have been resistant to gene discovery ...
    • Biological and Clinical Insights From Genetics of Insomnia Symptoms 

      Lane, Jacqueline M.; Jones, Samuel E.; Skogholt, Anne Heidi; Gabrielsen, Maiken Elvestad; Hveem, Kristian; Brumpton, Ben Michael; Zwart, John-Anker; Nielsen, Jonas Bille; Winswold, Bendik; Willer, Cristen J; Janszky, Imre; Johnsen, Marianne Bakke; Wood, Andrew R.; Strand, Linn B.; Bowden, Jack; Song, Yanwei; Patel, Krunal; Anderson, Simon G.; Beaumont, Robin N.; Bechtold, David A.; Cade, Brian E.; Kathiresan, Sekar; Little, Max A.; Loudon, Andrew S.; Purcell, Shaun; Richmond, Rebecca C.; Schormair, Barbara; Tyrrell, Jessica; Winkelmann, Juliane; Zhao, Cheng; Redline, Susan; Spiegelhalder, Kai; Kyle, Simon D.; Frayling, Timothy M.; Lawlor, Deborah A.; Rutter, Martin K.; Weedon, Michael N.; Saxena, Richa (Journal article; Peer reviewed, 2019)
      Insomnia is a common disorder linked with adverse long-term medical and psychiatric outcomes. The underlying pathophysiological processes and causal relationships of insomnia with disease are poorly understood. Here we ...
    • Exome chip analyses in adult attention deficit hyperactivity disorder 

      Zayats, Tetyana; Jacobsen, Kaya Kvarme; Kleppe, Rune; Jacob, CP; Kittel-Schneider, Sarah; Ribases, Marta; Ramos-Quiroga, JA; Richarte, Vanesa; Casas, M; Mota, NR; Grevet, EH; Klein, M; Corominas, J; Bralten, Janita; Galesloot, T; Vasquez, AA; Herms, S; Forstner, AJ; Larsson, H; Breen, G; Asherson, P; Gross-Lesch, Silke; Lesch, KP; Cichon, Sven; Gabrielsen, Maiken Elvestad; Holmen, Oddgeir Lingaas; Bau, CH; Buitelaar, Jan; Kiemeney, L; Faraone, Stephen V.; Cormand, B; Franke, Barbara; Reif, Andreas; Haavik, Jan; Johansson, Stefan (Journal article; Peer reviewed, 2016)
      Attention-deficit/hyperactivity disorder (ADHD) is a highly heritable childhood-onset neuropsychiatric condition, often persisting into adulthood. The genetic architecture of ADHD, particularly in adults, is largely unknown. ...
    • Fibrinogen gamma gene rs2066865 and risk of cancer-related venous thromboembolism 

      Paulsen, Benedikte; Skille, Hanne; Smith, Erin N.; Hveem, Kristian; Gabrielsen, Maiken Elvestad; Brækkan, Sigrid Kufaas; Rosendaal, Frits Richard; Frazer, Kelly A.; Gran, Olga Vikhammer; Hansen, John-Bjarne (Peer reviewed; Journal article, 2019)
      Venous thromboembolism (VTE) is a frequent complication in patients with cancer. Homozygous carriers of the fibrinogen gamma gene (FGG) rs2066865 have a moderately increased risk of VTE, but the effect of the FGG variant ...
    • Genetic Risk Factors for Lung Cancer: Relationship to Smoking Habits and Nicotine Addiction: The Nord-Trøndelag (HUNT) and Tromsø Health Studies 

      Gabrielsen, Maiken Elvestad (Doktoravhandlinger ved NTNU, 1503-8181; 2013:87, Doctoral thesis, 2013)
    • Genetic Variation Of Platelet Glycoprotein VI And The Risk Of Venous Thromboembolism 

      Skille, Hanne; Paulsen, Benedikte; Hveem, Kristian; Gabrielsen, Maiken Elvestad; Brumpton, Ben Michael; Hindberg, Kristian; Gran, Olga Vikhammer; Rosendaal, Frits Richard; Brækkan, Sigrid Kufaas; Hansen, John-Bjarne (Journal article, 2019)
    • Heavier smoking increases coffee consumption: findings from a Mendelian randomization analysis 

      Bjørngaard, Johan Håkon; Nordestgaard, AT; Taylor, Amy E; Treur, Jorien L; Gabrielsen, Maiken Elvestad; Munafo, Marcus R; Nordestgaard, BG; Åsvold, Bjørn Olav; Romundstad, Pål Richard; Davey Smith, George (Journal article; Peer reviewed, 2017)
      Background There is evidence for a positive relationship between cigarette and coffee consumption in smokers. Cigarette smoke increases metabolism of caffeine, so this may represent a causal effect of smoking on caffeine ...
    • Heavier smoking may lead to a relative increase in waist circumference: Evidence for a causal relationship from a Mendelian randomisation meta-analysis. The CARTA consortium 

      Morris, Richard W.; Taylor, Amy E.; Fluharty, Meg E.; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Campbell, Archie; Marioni, Riccardo; Kumari, Meena; Korhonen, Tellervo; Männistö, Satu; Marques-Vidal, Pedro; Kaakinen, Marika; Cavadino, Alana; Postmus, Iris; Husemoen, Lise Lotte N.; Skaaby, Tea; Ahluwalia, Tarun Veer Singh; Treur, Jorien L.; Willemsen, Gonneke; Dale, Caroline; Wannamethee, S. Goya; Lahti, Jari; Palotie, Aarno; Räikkönen, Katri; McConnachie, Alex; Padmanabhan, Sandosh; Wong, Andrew; Dalgård, Christine; Paternoster, Lavinia; Ben-Shlomo, Yoav; Tyrrell, Jessica; Horwood, John; Fergusson, David M.; Kennedy, Martin A.; Nohr, Ellen A.; Christiansen, Lene; Kyvik, Kirsten Ohm; Kuh, Diana; Watt, Graham; Eriksson, Johan G.; Whincup, Peter H.; Vink, Jacqueline M.; Boomsma, Dorret I.; Smith, George Davey; Lawlor, Debbie; Linneberg, Allan; Ford, Ian; Jukema, J. Wouter; Power, Chris; Hyppönen, Elina; Jarvelin, Marjo-Riitta; Preisig, Martin; Borodulin, Katja; Kaprio, Jaakko; Kivimaki, Mika; Smith, Blair H.; Hayward, Caroline; Romundstad, Pål Richard; Sørensen, Thorkild I.A.; Munafo, Marcus R.; Sattar, Naveed (Journal article; Peer reviewed, 2015)
      Objectives: To investigate, using a Mendelian randomisation approach, whether heavier smoking is associated with a range of regional adiposity phenotypes, in particular those related to abdominal adiposity. Design: ...
    • Impact of prothrombotic genotypes on the association between family history of myocardial infarction and venous thromboembolism 

      Småbrekke, Birgit; Balteskard Rinde, Ludvig; Evensen, Line Holtet; Morelli, Vania Maris; Hveem, Kristian; Gabrielsen, Maiken Elvestad; Njølstad, Inger; Mathiesen, Ellisiv B.; Rosendaal, Frits Richard; Brækkan, Sigrid Kufaas; Hansen, John-Bjarne (Journal article; Peer reviewed, 2019)
      Background Family history of myocardial infarction (FHMI) is known to increase the risk of venous thromboembolism (VTE). Objectives To investigate the effect of prothrombotic genotypes on the association between FHMI ...
    • Influence of common genetic variation on lung cancer risk: meta-analysis of 14 900 cases and 29 485 controls 

      Timofeeva, M N; Hung, R J; Rafnar, T; Christiani, D C; Field, J K; Bickeboller, H; Risch, A; McKay, J D; Wang, Y; Dai, J; Gaborieau, V; McLaughlin, J; Brenner, D; Narod, S A; Caporaso, NE.; Albanes, D; Thun, M; Eisen, T; Wichmann, H E; Rosenberger, A; Han, Y; Chen, W; Zhu, D; Spitz, M; Wu, X; Pande, M; Zhao, Y; Zaridze, D; Szeszenia-Dabrowska, N; Lissowska, J; Rudnai, P; Fabianova, E; Mates, D; Bencko, V; Foretova, L; Janout, V; Krokan, Hans Einar; Gabrielsen, Maiken Elvestad; Skorpen, Frank; Vatten, Lars Johan; Njølstad, Inger; Chen, C; Goodman, G; Lathrop, M; Benhamou, S; Vooder, T; Valk, K; Nelis, M; Metspalu, Andres; Raji, O; Chen, Y; Gosney, J; Liloglou, T; Muley, T; Dienemann, H; Thorleifsson, G; Shen, H.; Stefansson, Kari; Brennan, Paul; Amos, C I; Houlston, Richard; Landi, M T (Journal article; Peer reviewed, 2012)
    • Investigating the causal effect of smoking on hay fever and asthma: A Mendelian randomization meta-analysis in the CARTA consortium 

      Skaaby, Tea; Taylor, Amy E; Jacobsen, Rikke K.; Paternoster, Lavinia; Thuesen, Betina H.; Ahluwalia, Tarunveer S.; Larsen, Sofus C.; Zhou, Ang; Wong, Andrew; Gabrielsen, Maiken Elvestad; Bjørngaard, Johan Håkon; Flexeder, Claudia; Männistö, Satu; Hardy, Rebecca; Kuh, Diana; Barry, Sarah J.; Møllehave, Line Tang; Cerqueira, Charlotte; Friedrich, Nele; Bonten, Tobias N.; Noordam, Raymond; Mook-Kanamori, Dennis O.; Taube, Christian; Jessen, Leon E.; McConnachie, Alex; Sattar, Naveed; Upton, Mark N.; McSharry, Charles; Bønnelykke, Klaus; Bisgaard, Hans; Schulz, Holger; Strauch, Konstantin; Meitinger, Thomas; Peters, Annette; Grallert, Harald; Nohr, Ellen A.; Kivimäki, Mika; Kumari, Meena; Völker, Uwe; Nauck, Matthias; Völzke, Henry; Power, Chris; Hyppönen, Elina; Hansen, Torben; Jørgensen, Torben; Pedersen, Oluf; Salomaa, Veikko; Grarup, Niels; Langhammer, Arnulf; Romundstad, Pål Richard; Skorpen, Frank; Kaprio, Jaakko; Munafò, Marcus R.; Linneberg, Allan (Journal article; Peer reviewed, 2017)
      Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic ...
    • Investigating the possible causal association of smoking with depression and anxiety using Mendelian randomisation meta-analysis: the CARTA consortium 

      Taylor, Amy E; Fluharty, Meg; Bjørngaard, Johan Håkon; Gabrielsen, Maiken Elvestad; Skorpen, Frank; Marioni, Riccardo R.; Campbell, A.; Engmann, J; Mirza, Saira Saeed; Loukola, A.; Laatikainen, Tiina; Partonen, Timo; Kaakinen, Marika; Ducci, Francesca; Cavadino, Alana; Husemoen, Lise Lotte N; Ahluwalia, Tarunveer Singh; Jacobsen, Rikke Kart; Skaaby, Tea; Ebstrup, Jeanette Frost; Mortensen, Erik Lykke; Minica, Camelia C; Vink, Jacqueline; Willemsen, Gonneke; Marques-Vidal, Pedro; Dale, Caroline E; Amuzu, Antoinette; Lennon, Lucy; Lahti, J; Palotie, Aarno; Räikkönen, K; Wong, Andrew; Paternoster, Lavinia; Wong, Angelita Pui-Yee; Horwood, L John; Murphy, Michael; Johnstone, Elaine; Kennedy, Martin A; Pausova, Zdenka; Paus, Tomas; Ben-Shlomo, Yoav; Nohr, Ellen A; Kuh, Diana; Kivimaki, Mika; Eriksson, Johan G; Morris, Richard W; Casas, Juan Pablo; Preisig, Martin; Boomsma, Dorret I; Linneberg, Allan; Power, Chris; Hypponen, Elina; Veijola, J; Järvelin, Marjo-Riitta; Korhonen, T.; Tiemeier, H; Kumari, Meena; Porteous, David J.; Hayward, Caroline; Romundstad, Pål Richard; Smith, George Davey; Munafo, Marcus R (Journal article; Peer reviewed, 2014)
      Objectives: To investigate whether associations of smoking with depression and anxiety are likely to be causal, using a Mendelian randomisation approach. Design: Mendelian randomisation meta-analyses using a genetic ...
    • Is smoking heaviness causally associated with alcohol use? A Mendelian randomization study in four European cohorts 

      Taylor, Michelle; Rode, Line; Bjørngaard, Johan Håkon; Taylor, Amy E.; Bojesen, Stig E.; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Lewis, Glyn; Nordestgaard, Børge G.; Romundstad, Pål Richard; Hickman, Matthew; Munafò, Marcus R. (Journal article; Peer reviewed, 2018)
      Background Observational studies have shown that tobacco and alcohol use co-occur, but it is not clear whether this relationship is causal. Methods Using data from the Avon Longitudinal Study of Parents and Children ...
    • Mitochondrial genome-wide association study of migraine – the HUNT Study 

      Børte, Sigrid; Zwart, John-Anker; Skogholt, Anne Heidi; Gabrielsen, Maiken Elvestad; Thomas, Laurent; Fritsche, Lars G; Surakke, Ida; Nielsen, Jonas B.; Zhou, Wei; Wolford, Brooke; Vigeland, Magnus Dehli; Hagen, Knut; Kristoffersen, Espen Saxhaug; Nyholt, Dale R; Chasman, Daniel I; Brumpton, Ben Michael; Willer, Christen; Winsvold, Bendik K S (Peer reviewed; Journal article, 2020)
      Background Variation in mitochondrial DNA (mtDNA) has been indicated in migraine pathogenesis, but genetic studies to date have focused on candidate variants, with sparse findings. We aimed to perform the first mitochondrial ...
    • Sex-specific and pleiotropic effects underlying kidney function identified from GWAS meta-analysis 

      Graham, Sarah E.; Nielsen, Jonas B.; Zawistowski, Matthew; Zhou, Wei; Fritsche, Lars G.; Gabrielsen, Maiken Elvestad; Skogholt, Anne Heidi; Surakka, Ida; Hornsby, Whitney E.; Fermin, Damian; Larach, Daniel B.; Kheterpal, Sachin; Brummett, Chad M.; Lee, Seunggeun; Kang, Hyun Min; Abecasis, Goncalo; Romundstad, Solfrid; Hallan, Stein; Sampson, Matthew G.; Hveem, Kristian; Willer, Cristen J. (Journal article; Peer reviewed, 2019)
      Chronic kidney disease (CKD) is a growing health burden currently affecting 10–15% of adults worldwide. Estimated glomerular filtration rate (eGFR) as a marker of kidney function is commonly used to diagnose CKD. We analyze ...
    • Stratification by smoking status reveals an association of CHRNA5-A3-B4 genotype with body mass index in never smokers 

      Taylor, Amy E; Morris, Richard W; Fluharty, Meg; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Campbell, A.; Marioni, Riccardo R.; Kumari, Meena; Hällfors, Jenni; Männistö, Satu; Marques-Vidal, Pedro; Kaakinen, Marika; Cavadino, Alana; Postmus, Iris; Husemoen, Lise Lotte N; Skaaby, Tea; Ahluwalia, Tarunveer Singh; Treur, Jorien L; Willemsen, Gonneke; Dale, Caroline; Wannamethee, SG; Lahti, J; Palotie, Aarno; Räikkönen, K; Kisialiou, Aliaksei; McConnachie, Alex; Padmanabhan, Sandosh; Wong, Andrew; Dalgård, Christine; Paternoster, Lavinia; Ben-Shlomo, Yoav; Tyrrell, Jessica; Horwood, John; Fergusson, D; Kennedy, Martin A; Frayling, T; Nohr, Ellen A; Christiansen, Lene; Ohm Kyvik, K; Kuh, Diana; Watt, Graham; Eriksson, Johan; Whincup, Peter H; Vink, JM; Boomsma, Dorret I; Davey Smith, George; Lawlor, Debbie A; Linneberg, Allan; Ford, Ian; Jukema, J Wouter; Power, C; Hyppönen, E; Jarvelin, Marjo-Riitta; Preisig, Martin; Borodulin, Katja; Kaprio, Jaakko; Kivimaki, Mika; Smith, BH; Hayward, Caroline; Romundstad, Pål Richard; Sørensen, Thorkild I.A.; Munafo, Marcus R; Sattar, Naveed (Journal article; Peer reviewed, 2014)
      We previously used a single nucleotide polymorphism (SNP) in the CHRNA5-A3-B4 gene cluster associated with heaviness of smoking within smokers to confirm the causal effect of smoking in reducing body mass index (BMI) in a ...
    • The causal role of smoking in anxiety and depression: a Mendelian randomization analysis of the HUNT study 

      Bjørngaard, Johan Håkon; Gunnell, David; Gabrielsen, Maiken Elvestad; Davey Smith, George; Skorpen, Frank; Krokan, Hans Einar; Vatten, Lars Johan; Romundstad, Pål Richard (Journal article; Peer reviewed, 2013)
      Cigarette smoking is strongly associated with mental illness but the causal direction of the association is uncertain. We investigated the causal relationship between smoking and symptoms of anxiety and depression in the ...
    • The causal role of smoking on the risk of hip or knee replacement due to primary osteoarthritis: a Mendelian randomisation analysis of the HUNT study 

      Johnsen, Marianne Bakke; Vie, Gunnhild Åberge; Winsvold, Bendik K S; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Pedersen, Linda Margareth; Hellevik, Alf Inge; Langhammer, Arnulf; Furnes, Ove; Flugsrud, Gunnar B; Skorpen, Frank; Romundstad, Pål Richard; Storheim, Kjersti; Nordsletten, Lars; Zwart, John-Anker (Journal article; Peer reviewed, 2017)
      Objective Smoking has been associated with a reduced risk of hip and knee osteoarthritis (OA) and subsequent joint replacement. The aim of the present study was to assess whether the observed association is likely to be ...
    • Variation in serum PCSK9 (proprotein convertase subtilisin/kexin type 9), cardiovascular disease risk, and an investigation of potential unanticipated effects of PCSK9 inhibition 

      Brumpton, Ben Michael; Fritsche, Lars; Zheng, Jie; Nielsen, Jonas Bille; Mannila, Maria Nastase; Surakka, Ida; Rasheed, Humaira; Vie, Gunnhild Åberge; Graham, Sarah E.; Gabrielsen, Maiken Elvestad; Laugsand, Lars Erik; Aukrust, Pål; Vatten, Lars Johan; Damås, Jan Kristian; Ueland, Thor; Janszky, Imre; Zwart, John-Anker; van't Hooft, Ferdinand M.; Seidah, Nabil Georges; Hveem, Kristian; Willer, Cristen; Smith, George Davey; Åsvold, Bjørn Olav (Peer reviewed; Journal article, 2019)
      PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitors reduce serum LDL (low-density lipoprotein) cholesterol (LDL-C) by increasing uptake in the liver. Although some long-term trials have evaluated their safety, ...